We thank the Danish National Research Foundation, the Lundbeck Foundation, the Carlsberg Foundation, the OChem and INano Graduate Schools, and the University of Aarhus for generous financial support of this research. We thank Dr. Jacob Overgaard for X-ray crystallographic analysis, and we are grateful for a donation of ligands and catalysts from Degussa and Solvias. We thank Karin Dooleweerdt for synthesizing the ynamide.

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.